201131301221103 has 32 divisors (see below), whose sum is σ = 299365902063360. Its totient is φ = 119059869680640.

The previous prime is 201131301221087. The next prime is 201131301221111. The reversal of 201131301221103 is 301122103131102.

It is not a de Polignac number, because 201131301221103 - 2⁴ = 201131301221087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201131301221103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201131303221103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54070303 + ... + 57670271.

It is an arithmetic number, because the mean of its divisors is an integer number (9355184439480).

Almost surely, 2^{201131301221103} is an apocalyptic number.

201131301221103 is a deficient number, since it is larger than the sum of its proper divisors (98234600842257).

201131301221103 is a wasteful number, since it uses less digits than its factorization.

201131301221103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639399.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 201131301221103 its reverse (301122103131102), we get a palindrome (502253404352205).

The spelling of 201131301221103 in words is "two hundred one trillion, one hundred thirty-one billion, three hundred one million, two hundred twenty-one thousand, one hundred three".